this post was submitted on 17 Aug 2023
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190
'No-water' hydropower turns England's hills into green and pleasant batteries (www.rechargenews.com)
submitted 1 year ago by bernieecclestoned@sh.itjust.works to c/technology@lemmy.world
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[–] bernieecclestoned@sh.itjust.works 1 points 1 year ago

I guess it's pretty good. Most hydro is >90% efficient. Losses are from friction turning the impellers and electrical circuits